#!/bin/sh

# Slackware build script for OpenSceneGraph

# Written by Aleksandar Samardzic <asamardzic@gmail.com>
# Maintained by Jordan Evans <jordanevans19@gmail.com>

PRGNAM=OpenSceneGraph
VERSION=${VERSION:-3.0.1}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
unzip $CWD/$PRGNAM-$VERSION.zip
cd $PRGNAM-$VERSION
chown -R root:root .
find . \
 \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
 -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

# One fix for xine>=1.2.x and for curl>=0.7.24 (tnx Gentoo)
patch -p0 < $CWD/openscenegraph-3.0.1-xinelib12x.patch
sed -i 's|#include <curl/types.h>||' src/osgPlugins/curl/ReaderWriterCURL.cpp

# Our ffmpeg is incompatible ATM
cmake \
  -DCMAKE_C_FLAGS="$SLKCFLAGS" \
  -DCMAKE_CXX_FLAGS="$SLKCFLAGS -D__STDC_CONSTANT_MACROS" \
  -DFFMPEG_LIBAVCODEC_INCLUDE_DIRS="PATH=FFMPEG_LIBAVCODEC_INCLUDE_DIRS-NOTFOUND" \
  -DFFMPEG_LIBAVCODEC_LIBRARIES="FILEPATH=FFMPEG_LIBAVCODEC_LIBRARIES-NOTFOUND" \
  -DFFMPEG_LIBAVDEVICE_INCLUDE_DIRS="PATH=FFMPEG_LIBAVDEVICE_INCLUDE_DIRS-NOTFOUND" \
  -DFFMPEG_LIBAVDEVICE_LIBRARIES="FILEPATH=FFMPEG_LIBAVDEVICE_LIBRARIES-NOTFOUND" \
  -DFFMPEG_LIBAVFORMAT_INCLUDE_DIRS="PATH=FFMPEG_LIBAVFORMAT_INCLUDE_DIRS-NOTFOUND" \
  -DFFMPEG_LIBAVFORMAT_LIBRARIES="FILEPATH=FFMPEG_LIBAVFORMAT_LIBRARIES-NOTFOUND" \
  -DFFMPEG_LIBAVUTIL_INCLUDE_DIRS="PATH=FFMPEG_LIBAVUTIL_INCLUDE_DIRS-NOTFOUND" \
  -DFFMPEG_LIBAVUTIL_LIBRARIES="FILEPATH=FFMPEG_LIBAVUTIL_LIBRARIES-NOTFOUND" \
  -DFFMPEG_LIBSWSCALE_INCLUDE_DIRS="PATH=FFMPEG_LIBSWSCALE_INCLUDE_DIRS-NOTFOUND" \
  -DFFMPEG_LIBSWSCALE_LIBRARIES="FILEPATH=FFMPEG_LIBSWSCALE_LIBRARIES-NOTFOUND" \
  -DCMAKE_INSTALL_PREFIX=/usr

make
make install DESTDIR=$PKG

find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  AUTHORS.txt ChangeLog LICENSE.txt NEWS.txt README.txt \
  $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}
